Is time relative? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice explore facts about Einstein’s theory of relativity that keep them up at night. Does time always move at the same rate? Discover fascinating properties of the fabric of space and time. Is it true that the faster you move, the slower time ticks for you? What other variables affect the passage of time? Find out about the passage of time on objects orbiting Earth and how we compensate for that here on the surface. Does time dilation affect satellites? What is time like for an object traveling at the speed of light? Get the NEW Cosmic Queries book (5/5 ⭐s on Amazon!): https://amzn.to/3dYIEQF Support us on Patreon: https://www.patreon.com/startalkradio FOLLOW or SUBSCRIBE to StarTalk: Twitter: http://twitter.com/startalkradio Facebook: https://www.facebook.com/StarTalk Instagram: https://www.instagram.com/startalk About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #NeildeGrasseTyson 0:00 - Introduction 0:27 - Neil deGrasse Tyson explains Relativity 2:16 - GPS satellites run on different time... 4:51 - How time moves at 99% the speed of light 5:55 - How particles decay in an accelerator 7:19 - Time at the perspective of a photon 10:21 - Outro